An artificial satellite remains in orbit and does not fall to the eart – McqOptions

MCQOPTIONS

1.	An artificial satellite remains in orbit and does not fall to the earth because
A.	the centrifugal force acting on it balances the gravitational attraction
B.	the on-board rocket motors provide continuous boost to keep it in orbit
C.	its transverse velocity keeps it from hitting the earth although it falls continuously
D.	due to its high speed it derives sufficient lift from the rarefied atmosphere
Answer» D. due to its high speed it derives sufficient lift from the rarefied atmosphere

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